This is the Great Planes ElectriFly RimFire / 35-36-1200 Brushless Outrunner Electric Motor. / / FEATURES: Designed for explosive acceleration and maximum torque / Lightened aluminum can houses high torque rare earth Neodymium / magnets / Double shielded bearings / Virtually maintenance-free; no commutators or brushes to wear out / / INCLUDES: Great Planes ElectriFly RimFire 35-36-1200 Brushless Outrunner / Electric Motor with prop adapter (GPMQ4903), motor mount and 3.5mm / connectors / / REQUIRES SS-60 ElectriFly Brushless Speed Control (or equivalent) / Propeller: 9x4.5E-11x5.5E / / SPECS: Aircraft Application: / 75-100 Watts Per Pound / Trainer & Sport Performance Weight Range: 6.6-8.8lb / 100-150 Watts Per Pound / Aerobatic & High Speed Performance Weight Range: 4.4-6.6lb / Over 150 Watts Per Pound / 3D & Extreme Performance Weight Under 4.4lb / / Can Diameter: 1.38" (35mm) / Can Length: 1.42" (36mm) / Shaft Diameter: .16" (4mm)_ / Shaft Length: .65" (16.5mm) / RPM/V (kV Rating): 1200 / Weight: 3.6oz (102g) / Propeller: 9x4.5E-11x5.5E / Input Voltage: 11.1-14.8V / Max. Constant Current: 45A / Max. Surge Current: 55A / Max. Constant Watts: 666W / No Load Current: 1.8A